Fifth wheel



FIG. 1 is a top, left, rear perspective view of a fifth wheel showing mynew design;

FIG. 2 is a bottom, right, rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a left side elevation view thereof; and

FIG. 5 is a right side elevation view thereof.

The ornamental design for a fifth wheel, as shown. 